Features: Experience powerful magnetic adhesion and rapid heat dissipation with this semiconductor phone cooling sheet, engineered to protect device performances and extend use through efficient management. Craft from lightweight aluminum metal with integrated iron chip, this portable cooling accessory ensuring better heat dispersion and easy installation for easily smartphones compatibility. Great solution for mobile gamers, content creators, power users, and outdoor enthusiasts need reliable control during extended device operations. Very suitable for long time gaming, high-definition video recording, live streaming, and use in outdoor high-temperature environment. For anyone skillful in technology, this essential accessory can maintain better device performances, thereby enhancing your mobile experience. Specifications: Material: Aluminum metal + iron + magnetic Diameter: 6cm, 9cm(optional) Diameter: approx. 6cm/2.36inch, 9cm3.54inch Quantity: 3pcs Package Includes: 3Pcs Magnetic Sheets for Mobile Phone Radiator note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.